28897263

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{401}}^1$

素因数の和:584

約数の個数: 32

約数和(自身を含む): 45731520

約数和(自身を除く): 16834257

約数列:

[1, 3, 9, 17, 27, 51, 153, 157, 401, 459, 471, 1203, 1413, 2669, 3609, 4239, 6817, 8007, 10827, 20451, 24021, 61353, 62957, 72063, 184059, 188871, 566613, 1070269, 1699839, 3210807, 9632421, 28897263]

約数ペア:

[(1, 28897263), (3, 9632421), (9, 3210807), (17, 1699839), (27, 1070269), (51, 566613), (153, 188871), (157, 184059), (401, 72063), (459, 62957), (471, 61353), (1203, 24021), (1413, 20451), (2669, 10827), (3609, 8007), (4239, 6817)]